Radiofrequency Ablation of a Nonsustained Ventricular Tachycardia Arising from the Left Coronary Cusp of a Bicuspid Aortic Valve: A Case Report

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Abstract

Radiofrequency ablation is the therapy of choice for the suppression of medically intractable symptomatic ventricular arrhythmias. Here we present the case report of a 50-year-old woman with bicuspid aortic valve (BAV) and symptomatic nonsustained ventricular tachycardia arising from the left ventricular outflow tract (LVOT). The origin of the ventricular arrhythmia was confirmed in the left coronary cusp (LCC) of the BAV. The patient underwent a successful radiofrequency ablation. LCC of a tricuspid aortic valve is a common origin of idiopathic LVOT tachycardia; however, little is known for these types of arrhythmias when located in the cusps of a BAV.

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